Installation Instruction; Select The Best Location - Panasonic CU-3TZ52TBE Service Manual

11. Installation Instruction

11.1 Select The Best Location


If an awning is built over the unit to prevent direct
sunlight or rain, be careful that heat radiation from
the condenser is not obstructed.

There should not be any animal or plant which
could be affected by hot air discharged.

Keep the spaces indicated by arrows from wall,
ceiling, fence or other obstacles.

Do not place any obstacles which may cause a
short circuit of the discharged air.
Refrigerant piping size
Outdoor Unit
Liquid - side
Gas - side
Table A
Maximum Total
Piping Length
MODEL
for add. Gas
(m)
CU-3TZ52*** 30

If total piping length of all indoor units exceed the
maximum total length listed above, additionally
charge with 20 g of refrigerant (R32) for each
additional meter of piping.
A = (m / (2.5 x (LFL)
min c
A = Required minimum room area, in m
min
m = Refrigerant charge amount in appliance, in kg
c
LFL = Lower flammable limit (0.306 kg/m
h = Installation height of the appliance
0
: (1.8 m for wall mounted is standard reference
installed height)
: (2.5 m for wall mounted is recommended
installed height give by manufacturer)
Outdoor Unit
Allowable piping length of each indoor unit (min. ~ max.)
Allowable total piping length of all indoor unit
Height difference between indoor and
outdoor unit
Height difference between indoor unit
CU-3TZ52***
ø 6.35 t0.8
ø 9.52 t0.8
2
Indoor A (m
min
Additional
1.8 m for 2.5 m for
Refrigerant
wall wall
(g/m)
mounted mounted
20 5.96 3.09
(5/4) x h )) ²
0
2
3 )
Allowable piping length
Outdoor unit located on upper side
Outdoor unit located otherwise
Outdoor unit located on upper side
Outdoor unit located otherwise
Outdoor Unit Installation Diagram
•
This illustration is for explanation purposes only.
* Note:
Respective indoor unit installation procedure shall refer to
instruction manual provided in the indoor unit packaging.
)
25
Installation parts you
should purchase ( )
It is advisable to avoid
more than 2 blockage
directions. For better
ventilation & multiple-
outdoor installation,
please consult authorized
dealer/specialist.
Power supply cord ( )
Connecting cable ( )
Additional drain hose ( )
1/4" Liquid side piping ( )
3/8" Gas side piping ( )
CU-3TZ52***
3 m ~ 25 m
50 m or less
15 m or less
7.5 m or less
7.5 m or less
15 m or less